A car travels at a speed of 45 km/hr for 5 hours and then decides to slow down to 40 km/hr for the next 2 hours. Calculate the average speed of the car using the average speed formula

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Solution

Distance I = 45 × 5 = 225 miles
Distance II = 40 × 2 = 80 miles
Total distance = Distance 1 + Distance 2
D = 225 + 80 = 305 miles
Using average speed formula = Total distance traveled ÷ Total time taken
Average Speed = 305 ÷ 7 = 43.57 m/s.

Answer: Average speed of a car is 43.57 m/s

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A car travels at a speed of 45 km/hr for 5 hours and then decides to slow down to 40 km/hr for the next 2 hours. Calculate the average speed of the car using the average speed formula

Distance I = 45 × 5 = 225 miles Distance II = 40 × 2 = 80 miles Total distance = Distance 1 + Distance 2 D = 225 + 80 = 305 miles Using average speed formula = Total distance traveled ÷ Total time taken Average Speed = 305 ÷ 7 = 43.57 m/s. Answer: Average speed of a car is 43.57 m/s

Distance I = 45 × 5 = 225 miles
Distance II = 40 × 2 = 80 miles
Total distance = Distance 1 + Distance 2
D = 225 + 80 = 305 miles
Using average speed formula = Total distance traveled ÷ Total time taken
Average Speed = 305 ÷ 7 = 43.57 m/s.

Answer: Average speed of a car is 43.57 m/s